<template>
  <div>
    <div id="slider" class="mui-slider">
      <div
        id="sliderSegmentedControl"
        class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted"
      >
        <div class="mui-scroll">
          <a
            :class="['mui-control-item',item.id==0?' mui-active':'']"
            href="#item1mobile"
            data-wid="tab-top-subpage-1.html"
            v-for="item in cates"
            :key="item.id"
            @tap="getimagelist(item.id)"
          >{{item.title}}</a>
        </div>
      </div>

      <ul class="photo">
        <router-link v-for="item in list" :key="item.url" :to="'/index/photoinfo/'+item.id" tag="li">
          <img v-lazy="item.img_url" />
          <div class="info">
            <h1 class="info-title">{{item.title}}</h1>
            <span class="info-body">{{item.zhaiyao}}</span>
          </div>
        </router-link>
      </ul>
    </div>
  </div>
</template>
<script>
import mui from "../../lib/mui/js/mui.js";

export default {
  data() {
    return {
      cates: [], //所有分类的列表
      list: [] //图片列表数组
    };
  },
  created() {
    this.getimgcategory();
    this.getimagelist(0); //默认进入页面
  },
  mounted() {
    // 初始化控件
    mui(".mui-scroll-wrapper").scroll({
      deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
    });
  },
  methods: {
    getimgcategory() {
      //   获取所有图片分类
      this.$http.get("api/getimgcategory").then(result => {
        if (result.body.status == 0) {
          result.body.message.unshift({ title: "全部", id: 0 });
          this.cates = result.body.message;
        }
      });
    },
    getimagelist(cateid) {
      //获取图片列表
      this.$http.get("api/getimages/" + cateid).then(result => {
        if (result.body.status == 0) {
          this.list = result.body.message;
        }
      });
    }
  }
};
</script>

<style lang="scss">
* {
  touch-action: pan-y;
}

.photo {
  list-style: none;
  margin: 0;
  padding: 10px;
  padding-bottom: 0;
  li {
    background-color: #ccc;
    text-align: center;
    margin-bottom: 10px;
    box-shadow: 0 0 9px #999;
    position: relative;
    img {
      width: 100%;
      vertical-align: middle;
    }

    img[lazy="loading"] {
      width: 40px;
      height: 300px;
      margin: auto;
    }
  }
}

.info{
    color: #fff;
    text-align: left;
    position: absolute;
    bottom: 0;
    background-color: rgba(0,0,0,0.5);
    max-height: 84px;
  .info-title{
    font-size: 14px;
  }
  .info-body{
    font-size: 13px;
    
  }
}
</style>